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.(No Model.) H GREGORY,

GAS REGULATING BURNER. No. 414,638. Patented Nov. 5, 1889.

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GEORGE ll'. GREGORY,

PATENT OF BROOKLYN, ASSIGNOR OF ONE-HALF TO CHARLES S. UPTON, OF NEW'YORK, N. Y.

GAS-REGULATING BURNER.

SPECIFICATION forming part of Letters Patent-N0. 414,638, dated November5, 1889.

Application filed March 1, 1889.

To all whom it may concern: I

Be it known that I, GEORGE I-I. GREGORY, a citizen of the United States,and a resident of Brooklyn, in the county of Kings and State of NewYork, have invented certain new and useful Improvements in Regulatorsfor Gas- Burners, of which the following is a specification. 7 Myintention is an improvement in gasregulating devices in which the meansfor regulating the flow of the gas is located entirely within the burnerproper and operates in connection with the tip through which the gasescapes.

It consists in the construction, combination, and arrangement of partsdisclosed in the following specification, of which the accompanyingdrawings form a part, and in which like letters of reference indicatesimilar or equivalent parts wherever found throughout the several views.

Figure 1 is a central vertical section of a gas-burner provided with myimproved regulator. Figs. 2 and show modifications thereof.

Referring to Fig. 1, A indicates the body of an ordinary burner, and Bthe burner-tip. Arranged within the body of the burner is a diaphragmI), provided with a small central perforation (Z, through which the gaspasses.

C is an inverted thimble, the lower open end of which rests upon thediaphragm D over the central perforation (Z. The upper end of thethimble C is closed, with the exception of small perforations c, and theouter or upper surface of said end is provided with a small groove 0,which extends from one of said perforations to another. There may be anydesired number of these perforations, 0' and also any desired number ofthe grooves, and it is not essential that the grooves should connectwith the perforations. The thimble 0 should fit loosely within the bodyof the burner, so as to move readily and not be liable to become cloggedor stuck therein. In the operation of this regulator the thimble Ooperates as an automatic valve, the lower end of the burner-tip servingas the valve-seat. The operation of this form of construction is asfollows: The gas, being turned on, passes through the perforation d inthe diaphragm Serial No. 801,641. (No model.)

D up into the thimble O and out through the perforationsin the topthereof, and thence through the slot in the tip B. The perforations inthe thimble C are so graded as to permit any desired amount of gas topass through-either two, four, six, or any other number of cubic feetper hour-and as long as there is no material pressure the thimblewillrest upon the diaphragm and a very small amount of gas will passthrough. As soon, however, as the pressure is increased, the thimble Cwill be liftedfrom its rest upon the diaphragm and pressed against thebot tom of the burner-tip, and the gas will pass out through theperforations c, and through or along the small grooves c in the top ofthe thimble and out through the tip. As the amount of gas which passesout depends upon the size of the perforations c and the grooves c, it isevident that said amount will not Vary to any perceptible degree underany ordinary increase of pressure, and experience has shown that withthis regulator the flame isregular and steady at all times, and theaverage consumption of gas uniform under all circumstances.

In the construction shown in Fig. the grooves in the top of the thimbleare omitted, and small grooves or notches c extend across the lower endof the tip, through which the gas passes when the thimble is pressedagainst the lower end thereof. The result would be the same if the holes0 and the grooves c in thimble C were both omitted and the thimble mad esmall enoughto allow the required amount of gas to pass up around'it.

In Fig. 3 the body A, diaphragm D, and burner-tip 13 are the same as inFig. 2, the lower end of the tip beingprovided also with the notches orgrooves c, as in that figure. In this case, however, the thimble doesnot act directly upon the burnentip to regulate the flow of the gas. Thetop of the thimble is here provided with a central perforatiomand smallgrooves extend from this perforation to the edge of the top of thethimble, and a small conical valve having a flat base rests upon the topof the thimble. This valve is provided centrally of its bottom with asmall pin, which extends downwardly through the perforation in the topof the thimble and serves to .keep the valve in place. With thisconstruction the gas passes through the perforation in the top of thethimble and out by means of the small grooves in the top thereof intothe space below the tip. As soon, however, as the pressure is increasedto any eX- tent the thimble will be lifted, together with the valve onthe top thereof, the latter will be pressed against the base of theburner-tip, and the amount of gas permitted to flow through the tip willbe regulated by the size of the notches or grooves 'in the lower endthereof. With this exception the operation of the construction shown inFigs. 2 and 3 is the same as with that shown in Fig. 1, and the resultproduced is the same in each.

Having fully described my invention, its construction and operation, Iclaim and desire to secure by Letters Patent?- 1'. In a gas-regulatingburner, the combination, with the body of the burner, of adiaphragm, asD, located therein, a thimble, as 0, serving as a valve, and theburner-tip which serves as a seat for the valve, said tip and thimbleconstituting the parts by which the flow of the gas is regulated, one ofsaid parts being provided with grooves or passages, through which thegas passes to the burner when the valve is seated, substantially asshown and described.

2. The combination, with the body of a gasburner,of a perforateddiaphragm, the thimble resting on said diaphragm over the perforable 0,having the perforations c and grooves c, and the tip B, substantially asshown and described.

4. The combination of the burner-body, the diaphragm D, the thimble O,the conical 4 valve on the top thereof,,and the burner-tip provided withthe grooves c in its lower end,

substantially as shown and described.

5.' The combination of the burner-body A,.

the perforated diaphragm D, the thimble: valve 0, having theperforations c, and the burner-tip B, which serves as a seat for valveO,"said valve or tip being provided with grooves, through which the gaspasses when the valve is seated, substantially as shownand described.

'Signed at New York, in the countyof New York and State of New York,this'28th day of February, A. D. 1889.

GEORGEH. GREGORY. Witnesses:

F A K B. WILso SJSMIT

